Finding the Fourth Proportional to 71,423.76, 98,557.83 and 39,591.98

Step by Step Solution

1. Step 1: Write the proportion equation
   71,423.76 : 98,557.83 = 39,591.98 : x
2. Step 2: Convert to fraction form
   71,423.76/98,557.83 = 39,591.98/x
3. Step 3: Cross multiply
   71,423.76x = 98,557.83 × 39,591.98
4. Step 4: Simplify right side
   71,423.76x = 3,902,099,634.20
5. Step 5: Solve for x
   x = 3,902,099,634.20/71,423.76
6. Step 6: Final answer
   x = 54,633.07